Resumen de: US2025289918A1
A pellet of a fluorinated polymer having groups convertible to ion exchange groups such that the fluorinated polymer has ion exchange capacity of at least 1.1 milliequivalent/g dry resin upon conversion of the convertible groups to ion exchange groups is provided. The pellet has a visible light transmittance of from 30 to 60% in a light wavelength range of 400 to 700 nm. An ion exchange membrane obtained by melt extrusion of the pellet is also provided.
Resumen de: US2025293266A1
An electrode includes electrolyte particles and Ni-based particles. The electrolyte particles contain Gd-doped CeO2 (GDC) and/or Gd- and La-doped CeO2 (La-GDC). The Ni-based particles are composed of core-shell particles in which a surface of a core composed of Ni or a Ni-based alloy is partially or fully covered by a shell composed of a composite oxide containing NiO or Ni.
Resumen de: US2025293361A1
A fuel cell power generation module includes an accommodation frame defining a first accommodation space, and a first shelf that supports an electric part including a fuel cell, and supported by the accommodation frame to be extracted from the first accommodation space forward thereof.
Resumen de: US2025293279A1
A membrane electrode assembly includes a cathode portion including a cathode electrode and an anode portion disposed opposite the cathode portion and including an anode electrode. Additionally, the membrane electrode assembly includes a polymer electrolyte membrane extending between the cathode portion and the anode portion. Moreover, the membrane electrode assembly includes one or more metal oxides disposed therein with the metal oxides configured to react with hydrogen peroxide within the membrane electrode assembly. Additionally, the membrane electrode assembly includes one or more metal cations disposed therein with the metal cations configured to react with hydroxyl radicals disposed within the membrane electrode assembly.
Resumen de: US2025293275A1
A cooling device for a fuel cell vehicle that includes a fuel cell stack. The cooling device includes a condenser, a radiator and a fan that are stored in a front storage room of the vehicle. The condenser, the radiator and the fan are arranged in this order of description as seen in a longitudinal direction of the vehicle, which is a direction away from a front side of the vehicle toward a rear side of the vehicle. The condenser is smaller than the radiator in area as seen in the longitudinal direction. The condenser and the radiator are located relative to each other, such that a center position of the condenser is within the radiator as seen in the longitudinal direction, and such that the center position of the condenser is offset from a center position of the radiator toward an upper side of the vehicle.
Resumen de: US2025293280A1
Provided herein is a flow battery, provided with a primary mating protrusion, a primary mating recess, a first liquid inlet channel, a first liquid outlet channel, a second liquid inlet channel, and a second liquid outlet channel on opposite sides of any adjacent frames, wherein the primary mating protrusion and the primary mating recess form a primary seal mating line, the first liquid inlet channel, a first cavity, and the first liquid outlet channel are communicated, and the second liquid inlet channel, a second cavity and the second liquid outlet channel are communicated; and at least one of the first liquid inlet channel, first liquid outlet channel, second liquid inlet channel, and second liquid outlet channel is produced by separation by the primary seal mating line. At least one of the first liquid inlet channel, first liquid outlet channel, second liquid inlet channel, and second liquid outlet channel is separated between adjacent frames by the primary seal mating line, having advantages such as a simple production process, a low production cost, and a good sealing effect.
Resumen de: US2025293265A1
A bipolar plate for a battery includes a metal sheet that has a first side and a second, opposite side. The metal sheet is folded so as to form a series of loops on the second side. The loops are spaced apart to define flow field passages therebetween on the second side. Each of the loops is bonded along an edge at the first side so as to enclose an internal passage.
Resumen de: US2025293278A1
An advanced hydrogen fuel cell system in which the anode cell includes an acidic electrolyte and the cathode cell includes an alkaline electrolyte, operation of improved advanced hydrogen fuel cell system yields an increase in the generation of fuel cell voltage in comparison to known hydrogen fuel cell. In addition, the advanced hydrogen fuel cell system is compatible with water electrolysis processes, in particular unipolar electrolysis of water that further increases the energy output of the system and efficiency.
Resumen de: US2025293276A1
A control device calculates a required startup power as an electric power required to start a fuel cell system (referred to as an “FCS”). The control device sets priorities indicating order of startups on the plurality of FCSs according to the temperature and the required startup power of each of the FCSs, and a remaining capacity of a battery, and start the plurality of FCSs in accordance with the priorities.
Resumen de: US2025293271A1
The present application provides a bipolar plate structure, a method of manufacturing the same, and a flow battery. The bipolar plate structure includes a bipolar plate body, both side surfaces of which each include a covered region covered by an electrode and a circumferential edge region not covered by the electrode, wherein the circumferential edge region is covered by a housing made of a modified polypropylene, and the modified polypropylene is prepared by blending and modifying polypropylene-graft-maleic anhydride, poly(ethylene-octene)-graft-maleic anhydride and polypropylene. The bipolar plate structure of the present application avoids leakage problems, and enhances the overall performance of the flow battery and system stability due to the edge region of the bipolar plate body being covered by the housing with enhanced mechanical performance, aging resistance, oxidation resistance, etc.
Resumen de: US2025293273A1
Provided are flow plate assemblies that comprise a flow plate—such as a bipolar plate—disposed within a frame. The frame can include one or more channels or manifolds to distribute active material to channels formed in the flow plate engaged with the frame. The assemblies can themselves be assembled into an electrochemical cell stack.
Resumen de: US2025293274A1
A frame assembly includes an electrochemical cell, a frame, and a reinforcement system. The electrochemical cell includes a first catalyst layer, a second catalyst layer spaced apart from the first catalyst layer, and a membrane located between the first catalyst layer and the second catalyst layer. The frame includes an upper frame arranged above the membrane and a lower frame arranged below the membrane. The reinforcement system is configured to increase a mechanical stability of the electrochemical cell.
Resumen de: US2025293272A1
A bipolar plate includes an anode plate and a cathode plate. The anode plate has an interior side and an exterior side opposite the interior side. The cathode plate has an interior side and an exterior side opposite the interior side. The interior side of the cathode plate faces the interior side of the anode plate. The bipolar plate includes a bead region. A portion of the interior side of the anode plate at the bead region is spaced from a portion of the interior side of the cathode plate at the bead region. An enforcement layer is disposed between the interior side of the anode plate and the interior side of the cathode plate at the bead region. The enforcement layer is configured to resist compression forces experienced at the exterior side of the anode plate and the exterior side of the cathode plate at the bead region.
Resumen de: US2025293270A1
A method of preparing a bipolar plate for a fuel cell includes placing a sheet in a bipolar plate forming apparatus, deforming a first region the sheet in a first stage between a first die and a first punch, the first stage forming one or more walls and one or more apexes, deforming a second region of the sheet in a second stage between a second die and a second punch, the second region being arranged laterally on either side of the of the first region, the second stage forming at least one first flat and at least one second flat on either side of the one or more walls, and deforming a third region of the sheet in a third stage between a third die and a third punch, the third region being arranged laterally between the first region and the second region.
Resumen de: US2025293268A1
A core/shell catalyst, and, a phosphoric acid or a phosphonated ionomer contacting the core/shell catalyst in a fuel cell. The core/shell catalyst comprises a core surrounded by a shell, the core comprising palladium or a palladium-M1 alloy, the shell comprising a platinum-M2 alloy. M1 is chosen from scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper or zinc; and M2 is gold or silver. High-temperature polymer electrolyte membrane fuel cells (HT-PEMFCs, with phosphoric-acid-contained polymer matrix) employing a core/shell catalyst, and, a phosphoric acid or a phosphonated ionomer contacting the core/shell catalyst are disclosed.
Resumen de: US2025293277A1
An apparatus for controlling a fuel cell includes a fuel cell with an anode and a cathode, an oxygen tank that supplies oxygen to the cathode, and a processor. The processor enables the fuel cell, in response to a request to enable the fuel cell with preset electric power being less than a reference value of a stack included in the fuel cell, adjusts an internal pressure of a cathode to a preset pressure by adjusting an amount of oxygen supplied from the oxygen tank to the cathode while driving an air compressor included in the fuel cell, based on enabling of the fuel cell, and controls at least one of driving of the air compressor or a pressure of oxygen based on that the electric power being less than the reference value and more than the preset electric power while the fuel cell outputs the electric power by the preset pressure.
Resumen de: WO2025190517A1
The invention relates to a fuel cell assembly (26) comprising a first fuel cell plate (1) intended to come into contact with a membrane electrode assembly, the first plate (1) comprising a reactive face (11) that comprises a reactive zone (2), a clamping band (9), a thinned portion (3) and a peripheral sealing zone (12), wherein the reactive zone (2) comprises flow channels for a reactant, wherein the clamping band (9) is configured to at least partially surround the reactive zone (2) by being designed to clamp the membrane electrode assembly, wherein the peripheral sealing zone (12) is configured to surround the clamping band (9) by being designed to form, together with the membrane electrode assembly, a seal for the cell against the reactant, and wherein the thinned portion (3) is arranged between the peripheral sealing zone (12) and the clamping band (9).
Resumen de: AU2024234465A1
Provided is a carbon-air secondary battery with which a large amount of stored electricity can be ensured, charge/discharge efficiency is high, and cycle characteristics are favorable. A secondary battery 1 has: a reactor 20 in which a negative electrode 21 is installed, which is separated from the outside by an electrolyte 23, and which is configured to store carbon deposited during charging; and a structure 60 that surrounds the reactor 20 and minimizes heat loss from the reactor 20 due to radiative heat transfer. During charging, carbon dioxide is electrolyzed on the surface of the negative electrode 21, carbon is precipitated on the negative electrode side which is a closed system, and oxygen is produced at the positive electrode 22 from oxide ions that are produced at the negative electrode 21 and that have permeated through the electrolyte 23. During discharging, oxide ions are produced from oxygen at the positive electrode 22, and carbon and/or carbon monoxide are electrochemically oxidized on the surface of the negative electrode 21 to produce carbon dioxide.
Resumen de: WO2025190457A1
The technology disclosed here relates, according to the invention, to a method for controlling an anode pressure in a fuel cell system (10), wherein the fuel cell system (10) comprises a fuel cell (11) having an anode (12) and a cathode (13), a pressure sensor (21, 22) and a fuel sensor (24, 25), and the method has the following steps: determining an anode pressure by means of the pressure sensor (21, 22), determining a fuel concentration in and/or at the anode (12) by means of the fuel sensor (24, 25), and controlling the anode pressure on the basis of the determined fuel concentration. The technology further relates to a fuel cell system (10), a vehicle (100), a computer program product (30) for carrying out the method, and a computer-readable storage medium (40) on which the computer program product (30) is stored.
Resumen de: WO2025190700A1
The invention relates to a method for operating an air system (1) for supplying at least one stack (4) with air, wherein the air system (1) has a supply air path (2) for a stack inlet air mass flow, an exhaust air path (3) for a stack outlet air mass flow, and a cooling air path (4) for a cooling air mass flow. The cooling air mass flow is used to cool an air compressor module (5) comprising at least one compressor (6) integrated into the supply air path (2) for compressing a fresh air mass flow drawn into the supply air path (2) from the surrounding environment, from which fresh air mass flow all the air mass flows located in the air system (1) are fed, and from which the cooling air mass flow branches off, is fed via the cooling air path (4) to the air compressor module (5) for cooling, is expanded in the meantime and is then introduced into the stack outlet air mass flow. According to the invention, the stack inlet air mass flow is determined from the difference between the fresh air mass flow and the cooling air mass flow and optionally further air mass sub-flows to be deducted, which are branched off from the supply air path (2) downstream of the compressor (6), wherein the cooling air path (4) is modelled as a throttle point on the basis of the expansion occurring there, and the cooling air mass flow is determined computationally on the basis of this modelling by means of a throttle equation. The invention also relates to a control device that is designed to carry out s
Resumen de: WO2025190609A1
The invention relates to a method for characterising a first power unit of an energy system, wherein the energy system has a plurality of power units for providing electrical power; and wherein the power unit has a fuel cell system and/or an electrical energy store, and wherein the energy system is electrically coupled to an electrical load; and the energy system is designed to provide the electrical load with dynamic power for operation, comprising: determining (S1) a current power requirement of the electrical load; providing (S2) a power operating point for the first power unit during the characterisation; providing (S3) the current power requirement of the load by means of the plurality of power units, wherein the first power unit is controlled to provide the electrical power of the power operating point in a stationary manner; and characterising (S4) the first power unit, wherein the first unit provides the electrical power in a stationary manner in accordance with the power operating point.
Resumen de: DE102025109365A1
Eine elektrochemische Zelle konfiguriert, um eine mechanische Verschlechterung einer Luftelektrodenschicht zu unterdrücken, wodurch Spannungsschwankungen in der Zelle unterdrückt werden. Die elektrochemische Zelle (1) ist aus einer Brennstoffelektrodenschicht (2), einer Festkörperelektrolytschicht (3) und einer Luftelektrodenschicht (4) in dieser Reihenfolge aufgebaut. Die Luftelektrodenschicht (4) eine Vielzahl von Katalysatorteilchen für die Luftelektrode (41), die aus einem Katalysatormaterial, das Elektronenleitfähigkeit und Sauerstoffionenleitfähigkeit aufweist, gebildet ist, eine Vielzahl von Elektrolytteilchen für die Luftelektrode (42), die aus einem Festkörperelektrolytmaterial, das Sauerstoffionenleitfähigkeit aufweist, gebildet ist, und zumindest eine Pore (43), beinhaltet. Das Katalysatormaterial weist einen linearen Wärmeausdehnungskoeffizienten bei 700°C in einem Bereich von größer als 15×10-6/K und kleiner als 30×10-6/K auf. Wenn ein erster Gesamtoberflächenbereich der Katalysatorteilchen für die Luftelektrode SKatist und ein zweiter Gesamtoberflächenbereich eines Schnittstellenabschnitts, in dem eine erste Oberfläche der Katalysatorteilchen für die Luftelektrode mit einer zweiten Oberfläche der Elektrolytteilchen für die Luftelektrode (42) in Kontakt ist, SKat-Eleist, weist die Luftelektrode einen Wert von SKat-Ele/SKatvon 0,6 oder größer auf.
Resumen de: JP2025026850A
To provide a bipolar plate that provides improved delivery of humidified reactants and better removal of produced water.SOLUTION: A bipolar plate 100 for a fuel cell includes a non-porous subplate 102 and a porous subplate 104. The non-porous subplate 102 includes a water management surface 122, a reactant surface on the opposite side, and an internal coolant passage between the two surfaces. The porous subplate 104 includes a reactant surface and a water management surface on the opposite side. The reactant surface includes a first reactant flow field. The water management surface is fluidically connected to the water management surface of the non-porous subplate.SELECTED DRAWING: Figure 3
Resumen de: WO2024100371A1
A method of reducing the greenhouse gas impact of livestock farming includes feeding a fuel gas comprising one or more hydrocarbons to an anode of a solid oxide fuel cell stack, withdrawing air, that includes methane originating from livestock, from a livestock housing or enclosure and feeding the withdrawn air to a cathode of the solid oxide fuel cell stack. The oxygen in the air is allowed exothermically to react with the one or more hydrocarbons in the fuel gas to form at the anode a heated first exhaust stream comprising water and carbon dioxide and at the cathode a heated second exhaust stream comprising methane, thereby generating an electrical current from the solid oxide fuel cell stack through an external electrical circuit. At least the heated second exhaust stream is fed to a combustor and combusted, producing a heated tail gas stream.
Nº publicación: JP2025530707A 17/09/2025
Solicitante:
イーエスエステック,インク.
Resumen de: CN119923732A
Systems and methods for rebalancing cells in a redox flow battery are provided. In one example, a rebalancing battery cell system includes a first rebalancing battery cell in series fluid communication with a second rebalancing battery cell and a hydrogen gas source, the first rebalancing battery cell including a first electrode assembly stack, the first electrode assembly stack has a hydrogen flow path extending therethrough and has a pressure higher than that of an electrolyte in the first electrode assembly stack. Further, the second rebalancing battery cell includes a second electrode assembly stack having a hydrogen flow path extending therethrough and having a pressure higher than that of the electrolyte in the second electrode assembly stack.